Dominique Pellé wrote:
> Bram Moolenaar <[email protected]> wrote:
>
> > Patch 8.0.0224
> > Problem: When 'fileformats' is changed in a BufReadPre auto command, it
> > does not take effect in readfile(). (Gary Johnson)
> > Solution: Check the value of 'fileformats' after executing auto commands.
> > (Christian Brabandt)
> > Files: src/fileio.c, src/testdir/test_fileformat.vim
> >
> >
> > *** ../vim-8.0.0223/src/fileio.c 2017-01-13 21:59:59.327172086
>
>
> Running tests with vim-8.0.225 built with asan, I see the
> following crash (head-buffer-overflow). Since I see fileio.c
> in the stack, I assume that the bug is caused by patch 8.0.224:
>
> =================================================================
> ==5073==ERROR: AddressSanitizer: heap-buffer-overflow on address
> 0x6310000a07ff at pc 0x000000a15d57 bp 0x7ffe2637ca50 sp
> 0x7ffe2637ca48
> READ of size 1 at 0x6310000a07ff thread T0
> #0 0xa15d56 in readfile /home/pel/sb/vim/src/fileio.c:2254
> #1 0x51c1b9 in open_buffer /home/pel/sb/vim/src/buffer.c:236
I suspect this is not caused by the patch, but because the test reads a
file in DOS mode with the first line lacking a CR.
Hmm, valgrind does not see this error. And the address sanitizer does
not work:
ERROR: AddressSanitizer failed to allocate 0xdfff0001000 (15392894357504) bytes
at address 2008fff7000 (errno: 12)
I don't have that many bytes! Didn't find a way to avoid that.
--
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/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
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